I also have an assortment of literature (ads, glossies, buyer's guides) from the 1973-1984 era that I was starting to scan.
Manufacturer |
Model |
S/N |
Digits |
Display |
Precision |
Functional? |
Have manuals? |
Have A/C? |
Have the battery? |
A/C OK w/o battery? |
Have carry case? |
Have original box? |
Date acquired |
Cost me |
Source |
Status |
Comments |
Info |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Olympia |
Ariane 8 |
None |
8, 6+2, 5+2 if < 0 |
LCD |
8 |
Yes |
No |
N/A |
2xAA |
N/A |
yes |
No |
2025-06-08 |
$5.00 |
West Valley fleamarket |
Uneven segments |
|
|
Casio |
Mini Memory |
none |
8, small 0,→ shows next 8 (EE kludge) |
VFD |
8 |
Yes |
No |
No |
4xAA, parallel |
|
No |
No |
2025-06-08 |
$5.00 |
West Valley flea |
|
% somewhat inscrutable without manual |
|
Lloyd’s |
Accumatic 335 |
5J-119046 |
8+2 |
VFD |
6 if irrational, else 8 |
yes |
no |
No |
4xAA |
No |
No |
No |
2025-06-08 |
$5.00 |
West Valley flea |
|
Always 8+2. pi unrounded. Trig & log 6 places, others 8 (incl sqrt). 3 x<>y 4 = is 7. auto constant. |
|
TI |
BA II PLUS |
|
3A+10, 3A+7+2 |
LCD |
12 |
yes |
No |
N/A |
CR2032 |
N/A |
Sliding cover |
no |
2025-06-08 |
$0.50 |
West Valley flea |
|
|
|
TI |
TI-30Xa |
N-0699A is date code |
10+2 |
LCD |
|
Kind of. Display shows activity, but nothing useful |
No |
N/A |
2xLR44 |
N/A |
N/A |
no |
0025-06-08 |
$5.00 |
West Valley flea |
|
|
|
TI |
TI-58C |
9490671 |
10,8+2 |
LED |
13 |
Sort of. Weirdness with custom module |
QRG, BA1, |
No |
No
|
|
Yes |
No |
2025-05-18 |
$20.00 |
West Valley flea |
No registers, all program space. Won’t let me adjust it. Constant Memory doesn’t last overnight w/o power, which solved that problem. |
Many keys blank, has IRS 1979-80 module. |
|
TI |
SR-52 |
SR-52 938612 |
10+2 |
LED |
13 |
Mostly |
QRG |
no |
No. One battery terminal broken off, rattling around inside. |
|
yes |
yes |
2025-05-18 |
$40.00 |
West Valley flea |
Repaired 1978-02-23 |
Has full mag card set, including head cleaner. Gummy wheel, though. |
|
Navtronic |
EXPLORER |
6 |
LCD |
6 |
yes |
Archive.org |
N/A |
4xN |
N/A |
Yes |
No |
2025-05-18 |
$15.00 |
West Valley flea |
f |
Lots of navigator functions. ENTER and = |
||
(Kenko) |
fx-82LB |
10,8+2b |
LCD |
12 |
yes |
no |
N/A |
2xAA |
|
no |
no |
2014-03-03 |
$10 (not $1?) |
ebay |
Generic 56-function. RadioShack EC-4030, Truly SC107A |
|||
Canon |
X Mark I |
12 |
LCD |
|
yes |
maybe |
no |
solar |
|
no |
yes |
2014-07-12 |
$3? |
DeAnza |
Cost/Sell/Margin |
|||
Casio |
memory-8R Y-811 |
8 |
VFD |
|
yes |
no |
no |
2xAA |
|
yes |
yes |
before 1979 |
free |
mom's Avon promo |
two replacements unearthed |
Two, as new in box, individually numbered |
||
Casio |
fx-115MS |
12,10+2 |
LCD |
|
yes |
no |
solar |
2xAA under 6 screws |
|
Hard cover |
no |
2023-08-13 |
$10 |
West Valley |
just got |
logical, scientific, complex, non-programmable |
||
Casio |
fx-250HC |
10,10+2 |
LCD |
|
yes |
no |
N/A |
2xAA under 6 screws |
|
hard cover |
no |
2023-04-16 |
$2 |
West Valley |
scientific. DMS, fractions entry |
|||
Casio |
fx-300MS |
10,10+2 |
LCD |
|
yes |
no |
N/A |
solar |
|
no |
no |
2016-04-09 |
$1 |
DeAnza |
Loaned to my son for 9th grade science. Soon off to college with it. |
scientific. DMS, fractions entry |
||
Ceptre |
SL-110 |
8 |
LCD |
|
yes |
no |
N/A |
coin? |
N/A |
no |
no |
2019-10-05 |
$0 |
found under dishwasher while replacing |
works |
4-banger, square root, memory, percent |
||
HP |
10C |
2244A08343 |
10,7+2 |
LCD |
10 |
yes |
hpmuseum DVD |
N/A |
3xES76 |
N/A |
no |
no |
2014-09-03 |
$105 |
ebay |
desk drawer |
arrived with contents intact |
|
HP |
11C |
2528A12562 |
10,7+2 |
LCD |
10 |
parts mule for other 11C |
hpmuseum DVD |
N/A |
3xES76 |
N/A |
rigid |
no |
2014-04-12 |
$60 |
ebay |
desk drawer |
as-was |
|
HP |
11C |
2128A00260 |
10,7+2 |
LCD |
10 |
yes, after shorting the C |
hpmuseum DVD |
N/A |
3xES76 |
N/A |
no |
no |
2014-08-22 |
$42 |
ebay |
desk drawer |
seller could not reset it |
|
HP |
12C |
2323A00860 |
10,7+2 |
LCD |
10 |
Yes |
Yes |
N/A |
3xLR44 |
N/A |
Yes |
No |
2025-03-09 |
$5? |
West Valley flea |
I was hoping for one with an uncluttered back. |
||
HP |
12C |
3628M03202, too modern |
10,7+2 |
LCD |
10 |
yes |
yes |
N/A |
3xES76 |
N/A |
yes |
no |
1999-05-08 |
$30 |
Foothill Flea Market |
desk drawer |
financial |
|
HP |
12C Platinum |
CNA 51400760 |
10,7+2 |
LCD |
10 |
yes |
no |
N/A |
1xCR2032 |
N/A |
no |
no |
2018-08-11 |
$10 |
Foothill Flea Market |
desk drawer |
financial, RPN/ALG |
|
HP |
12C Platinum |
CNA 188091C |
10,7+2 |
LCD |
10 |
yes |
no |
N/A |
2xCR2032 |
N/A |
yes |
no |
2022-12-02 |
$25 |
ebay |
desk drawer |
financial. FW loadable? RPN/ALG + Parens, backspace&restore |
|
HP |
15C |
2245A05272 |
10,7+2 |
LCD |
10 |
yes |
owner's, advanced, my notes |
N/A |
3xES76 |
N/A |
yes |
yes |
1984? |
$100? |
University of Minnesota bookstore |
desk drawer |
still use |
|
HP |
15C CE |
03444 |
10,7+2 |
LCD |
10 |
yes |
owner's |
N/A |
2xCR2032 |
N/A |
yes |
yes |
2024-06-09 |
$129 |
WV flea |
desk top |
will use |
|
HP |
16C |
2239A03195 |
10,7+2,8 per window |
LCD |
10, 19 |
yes |
owner's |
N/A |
3xES76 |
N/A |
yes |
yes |
1984? |
$100? |
University of Minnesota bookstore |
desk drawer |
still use |
|
HP |
34C |
1947A27754 |
10,7+2 |
LED |
10 |
FIXED two segments out, no - sign. Need battery cover, rear sticker. |
hpmuseum DVD |
no |
no, but two AA and foil work |
no |
no |
no |
2014-10-20 |
$53 |
ebay |
around |
three shift keys |
|
HP |
38C |
2105S37008 |
10,7+2 |
LED |
10 |
Need battery cover, rear sticker. |
hpmuseum DVD |
no |
no, but two AA and foil work |
no |
no |
no |
2021-10-19 |
$26 |
hpmuseum forum |
around |
1st programmable financial |
|
HP |
38E |
1849A16766 |
10,7+2 |
LED |
10 |
No, weird display |
Yes |
Yes |
No, have door |
No |
yes |
yes |
2025-03-09 |
$20? |
West Valley flea |
Prepared foil |
Same as HP-38C sans continuous memory; the manual mentions it not. |
|
HP |
39G |
CN03100173 |
NxM |
LCD |
|
once after factory reset, but no longer |
hpmuseum DVD |
no |
3 x AAA |
|
no |
no |
2016-04-09 |
$5 |
DeAnza |
few keys work, try fresh batteries |
graphing |
|
HP |
45 |
1301A10402 |
10+2 |
LED |
10 |
now |
hpmuseum DVD |
use -80's |
3 NiCd, holder |
yes |
no |
no |
2021-09-30 |
$25 |
vintagecalc |
Bad displays replaced. |
Timer works. |
|
HP |
45 |
13xxAxxxxx |
10+2 |
LED |
10 |
soon |
hpmuseum DVD |
use -80's |
borrow other one |
yes |
no |
no |
2021-09-30 |
$20 |
vintagecalc |
some segments out. |
Timer works. |
|
HP |
55 |
1505A06329 |
10+2 |
LED |
10 |
Yes, a bit flaky keyboard. Press lightly on top row middle 3 keys or it power cycles. |
Online |
yes |
No, use 80’s. |
Yes |
No |
No |
2025-04-13 |
$30? |
West Valley Flea |
Timer accuracy looking well within spec, +600ms/17h |
Case broken near R/S key. Be gentle with switches and button, else resets. Cleaned switches improved, but nearby buttons touchy. |
|
HP |
80 |
1247A06958 |
10+2 |
LED |
10 |
fix flaky segment with pulldown resistor |
hpmuseum DVD |
replaced cap to reduce ripple |
borrow other one |
yes |
yes, with QRG |
no |
2021-10-16 |
$56 |
ebay |
fixed stuck segment; DAY leaves unnormalized integers in stack. |
45 CPU also works fine here |
|
HP |
97 |
1708A00452 |
10+2 |
LED |
10 |
yes, card reader needs repair, printer needs attention. |
hpmuseum DVD |
Battery must work to use A/C |
rebuilt, twice |
no |
no |
no |
1999-04-11 |
16% of $50 lot |
Weird Stuff bid sale |
staging in garage |
programmable, printer, card reader. |
|
HP |
67/97 Math Pac 1 |
|
|
|
|
|
|
|
|
|
|
|
2025-03-09 |
$25.00 |
West Valley flea |
Get card reader working |
|
|
HP |
67/97 Stat Pac 1 |
|
|
|
|
|
|
|
|
|
|
|
2025-03-09 |
$25.00 |
West Valley flea |
Get card reader working |
|
|
NSC |
4510 Mathematician |
8,.8 |
LED |
|
yes |
yes |
no |
Generic 9V |
|
N/A |
yes |
2014-01-16 |
$1 |
ebay |
desk drawer |
RPN, no scientific notation |
||
Royal |
D-120 |
10 |
VFD |
|
yes |
no |
no |
2xD |
|
no |
no |
2024-06-09 |
$8 |
WV flea |
mystery GPM key |
|||
SHARP |
EL-506R |
10+2?, 12x1 |
LCD, |
|
not with good batteries or solar |
no |
N/A |
2xLR44 |
N/A |
no |
no |
2024-04-14 |
$3 |
WV flea |
solver, frac, logic, int/diff, scroll |
|||
SHARP |
EL-5120 |
10+2 |
LCD, one column pixels fail, fixed two rows |
|
no |
yes |
N/A |
coin |
N/A |
no |
no |
2018-04-06 |
$5 |
C&H, Duarte |
solver, frac, logic, int/diff, scroll |
|||
SHARP |
EL-W516X |
2F015 |
10+2 |
LCD |
10 |
Yes |
No |
N/A |
LR44, solar |
N/A |
Slide |
No |
2025-03-09 |
$10? |
West Valley flea |
WriteView |
||
TI |
PC-100A |
PC-100A 026707 |
20 |
Thermal paper |
20 |
Yes. Requires attached calculator for paper buttons to work. |
Yes |
Yes. Cord fits Heathkit IB-1103also! |
TI-59 battery in charging slot. |
Yes |
Dust cover |
No |
2025-04-13 |
Part of $75 box including paper |
West Valley Flea |
SR-51A and SR-56 work. TI-58 does, too. Also SR-51, TI-59. |
Hard to mount SR-51 properly. SR-51A fits and works! |
|
TI |
SR-22 |
SR22 0025001 |
10+2 |
Neon |
10, 12 hex |
yes |
no |
cobbled up |
N/A |
|
no |
no |
1996 |
$10 |
Foothill flea market |
P/S TIP34 replaced, but was diode |
Rare. Full floating point scientific notation in all three bases |
|
TI |
SR-50 |
SR50 0052741 |
10+2 |
LED |
13 |
Yes |
No |
No |
Use SR-51A’s |
|
No |
No |
2025-03-09 |
$5? |
West Valley flea market |
Very clean |
Could feed it DC, but which is +? |
|
TI |
SR-51 |
SR51 0047786 |
10+2 |
LED |
13 |
Yes |
Owner’s |
AC9200 |
Use SR-51A’s |
No |
no |
yes |
2025-04-13 |
$10? |
West Valley Flea |
TBD |
|
|
TI |
SR-51A |
9041071 |
10+2 |
LED |
13 |
yes |
French |
Euro |
BP-1A |
|
yes |
no |
2024-05-19 |
$8.33? |
West Valley flea market |
Use SR-56 adapter. |
hyperbolics, random #, and assorted unit conversions |
|
TI |
SR-56 |
SR-56 003865 |
10+2 |
LED |
13 |
Yes |
Yes |
Yes |
Use SR-51A’s |
|
Yes |
Yes |
2025-03-09 |
$20? |
West Valley flea |
Use SR-51A battery pack |
My first programmable |
|
TI |
TI-34II |
11A,10+2 |
LCD |
|
yes |
no |
N/A |
solar |
|
no |
no |
2014-07-12 |
$8 |
DeAnza flea market |
blue |
|||
TI |
TI-57 |
7553136 |
8+2 |
LED |
|
In-pack DC dead. external 9V works, wire polarity reversed |
yes |
yes |
yes, and board corroded in-pack |
|
yes |
yes |
2021-08-08 |
$20
|
VCF West |
Rebuilt battery pack. |
||
TI |
TI-57 |
SRI sticker |
8+2 |
LED |
|
In-pack DC weak, external 9V works, wire polarity backwards. |
no |
no |
yes, corroded in-pack |
|
no |
no |
2021-09-16 |
$25 |
ebay |
needs new NiCds and DC-DC, built 9V adapter |
||
TI |
TI-58 |
5974725 |
10, 8+2 |
LED |
13 |
yes |
ROM |
yes, same as TI-57 |
no |
|
no |
no |
2022-04-09 |
$8 |
SVL PL flea market |
drilled-out stuck screw, fattened adapter prongs, added 1000uF across batt. terms |
SSM, Master Library Module |
|
TI |
TI-59 |
9794060 |
10, 8+2 |
LED |
13 |
All but cardreader |
For most modules |
Yes |
In PC-100A charging slot |
|
No |
No |
2025-04-13 |
Part of $75 box, carrdreader in pieces. |
West Valley Flea |
Still trying to assemble card reader. |
Included about 8 SW modules. |
|
TI |
TI-83 Plus |
16x8A |
LCD |
|
yes |
online |
N/A |
4xAAA |
N/A |
hard slip cover |
no |
2006 |
found in classroom |
wife |
desk drawer |
graphing programmable scientific, serial port |
||
TI |
2500 |
D0000-01131 |
8 |
LED |
8 |
Yes |
no |
No, weird 3-pin plug |
Alas, no. takes 6 AA Nicads in series. All I have are the red and black leads. |
? |
Yes |
No |
2025-04-13 |
$10? |
West Valley Flea |
Need to arrange power |
Mostly “DataMath”. 2500 appears only once in fine print on the rear label. |
|
TI |
3500 |
150900S |
10 |
Neon |
10 |
Yes. |
Online |
Yes |
N/A |
Yes |
No |
No |
2025-04-13 |
$10.00 |
West Valley Flea |
Sticky keys. Cured by repetitive stress therapy. |
My first calculator. |
|
TRULY |
SC107A |
10+8 |
LCD |
|
yes |
no |
N/A |
2xbutton |
N/A |
clamshell |
no |
2006 |
wife |
desk drawer |
Generic 56-function. Kenko FX-82LB, others |
|||
no-name |
8 |
LCD |
|
yes |
no |
N/A |
solar, button cell |
N/A |
mousepad |
yes, FWIW |
2006 |
gift, NDA |
Taos |
on desk, under mouse, easily overlooked |
%, basic memory 4-banger |
|||
Manufacturer |
Model |
S/N |
Digits |
Display |
Precision |
Functional? |
Have manuals? |
Have A/C? |
Have the battery? |
A/C OK w/o battery? |
Have carry case? |
Have original box? |
Date acquired |
Cost me |
Source |
Status |
Comments |
Info |
Manufacturer |
Model |
Functional? |
Have manuals? |
Have A/C? |
Have the battery? |
Have carry case? |
Have original box? |
Date acquired |
Cost me |
Source |
Status |
Comments |
Info |
(Casio) |
fx-82LB |
yes |
no |
N/A |
button |
yes |
no |
2005-07-03 |
$2 |
LARK swap meet |
missing after 2010 move |
not generic |
|
Casio |
fx-115d |
yes |
no |
N/A |
solar |
yes |
no |
1999-04-11 |
16% of $50 lot |
Weird Stuff bid sale |
missing after 2010 move |
logical, scientific, complex, non-programmable |
|
Casio |
fx-250 |
yes |
lost? |
N/A |
button |
yes |
lost? |
1986 |
gift |
wedding party |
missing after 2010 move. Replaced. |
scientific. DMS entry |
|
Casio |
BG-15 |
yes |
Japanese |
N/A |
2xbutton |
yes |
yes |
2004-11-07 |
$8 |
Livermore fleamarket |
missing after 2010 move |
clock, beepy boxing game |
|
Casio |
HS-8L |
yes |
no |
N/A |
solar |
no |
no |
2010-03-01 |
incalculable |
FIL scavenging |
missing after 2013 move |
solar, square root, memory |
|
Casio |
TP-8 |
mostly |
no |
no |
4xAA |
yes |
no |
2005-07-30 |
$4 |
LARK swap meet |
missing after 2010 move |
tiny printer, green fluorescent |
|
HP |
10B |
yes |
yes |
N/A |
3xES76 |
yes |
yes |
1999-06-12 |
$28 |
Foothill Flea Market |
missing after 2010 move |
financial |
|
HP |
25 |
revived |
yes |
yes |
seems OK |
yes |
no |
1999-04-11 |
16% of $50 lot |
Weird Stuff bid sale |
missing after 2010 move |
programmable. working once cleaned and charged. |
|
NSC |
835A |
yes |
no |
no |
Generic 9V |
no |
no? |
1987? |
free? |
promo? |
missing after 2010 move |
four banger, memory, lived in glove compartment. |
|
SHARP |
ELSI-8002 |
yes |
no |
EA-12A |
3xAA |
no |
no |
2002? |
free |
JRW? |
missing after 2010 move |
four banger, green flourescent |
|
TI |
58 |
maybe |
TI-30, ROM |
wrong one from TI programmer |
replaced with rebuilt |
yes |
no |
1999-04-10 |
$5 |
Foothill flea market |
missing after 2010 move. Replaced. |
only one battery terminal repaired -- "A" key nonfunctional, screws too tight |
|
TI |
Datamath (2500B) |
yes |
no |
no |
3/4xAA |
no |
no |
1999-07-23 |
JRW gift |
Eugene, OR thrift store |
missing after 2010 move. Replaced. |
8-digit 4-banger with constant. |
|
TI |
2550 |
yes |
no |
no |
3/4xAA, corroded |
no |
no |
2004-11-07 |
$8 |
Livermore flea market |
missing after 2010 move. I actually don't remember having this one. |
8-digit 4-banger with constant, memory and fixed-point. missing one foot |
|
TI |
Programmer |
yes |
yes |
2x superfluous |
Generic 9V |
yes |
yes |
1999-04-11 |
16% of $50 lot |
Weird Stuff bid sale |
missing after 2010 move |
logic. originally with rechargable battery pack. also came with lid for 9V battery. |
|
TI |
SR-51-II |
not yet |
no |
yes |
needs rebuild |
yes |
no |
2000-08-26 |
free |
SCU.MG |
missing after 2010 move |
No printer interface. |
|
TI |
SR-56 |
should be |
yes |
yes |
missing |
yes |
yes |
1977? |
$150? |
Dayton's |
missing after 2010 move. Replaced. |
unit 1. lifeboat for unit 2. battery terminal broken |
|
TI |
SR-56 |
think so |
no |
no |
missing |
yes |
yes |
1980? |
free |
JRW |
missing after 2010 move |
unit 2. uninstalled DC-DC converter, battery pack terminals broken. |
|
TI |
TI-30 STAT |
yes |
no |
N/A |
2x Eveready 357 |
no |
no |
2001-10-13 |
$3 |
Foothill |
missing after 2010 move |
||
TI |
TI-35X |
yes |
Quick Reference Guide |
N/A |
2x Eveready 357 |
yes |
yes |
2000-05-13 |
$6 |
Foothill |
missing after 2010 move |
x^2 in BIN mode is ERROR? |
|
Unitrex |
Micro 6 |
yes |
no |
no |
9V |
strap |
no |
unk, unearthed 2001-02-08 |
gift? |
JLP? |
missing after 2010 move |
basic memory 4-banger. |
Manufacturer |
Model |
Functional? |
Have manuals? |
Have A/C? |
Have battery? |
Have carry case? |
Have original box? |
Date acquired |
Cost me |
Source |
Disposition |
Comments |
Info |
Canon |
CP1202 |
looks like, paper sticky |
no |
yes |
N/A |
no |
no |
1999-11-04 |
16% of $50 lot |
Weird Stuff bid sale |
Recycled |
printing only, huge |
|
Corvus |
300 |
no longer |
no |
no |
N/A |
no |
no |
1978? |
$89.95 |
Dayton's |
lost or destroyed for parts. |
desktop semi-scientific. |
|
Corvus |
311 |
unknown |
no |
no |
no |
no |
no |
1979? |
$64.95 |
Dayton's |
lost |
handheld semi-scientific. |
|
HP |
45 |
formerly |
no |
no |
no |
no |
no |
1997 |
$20? |
Foothill flea market |
Sold for parts. Replaced. Twice. |
Timer worked. |
|
TI |
3500 |
unknown |
no |
no |
N/A |
no |
no |
1973? |
$84.95 |
Dayton's |
lost or destroyed for parts. Replaced. |
My first calculator. |
|
TI |
SR-10 |
yes |
no |
no |
no |
no |
no |
1973? |
$80? |
Dayton's |
Sold/traded for an SR-11? |
minimal scientific, 2nd calculator owned |
|
TI |
SR-11 |
yes |
yes |
yes |
no |
no |
yes |
1973-10 |
$80? |
Dayton's |
lost? |
minimal scientific, 3rd calculator owned |
