Manufacturer |
Model |
S/N |
Digits |
Display |
Functional? |
Have manuals? |
Have A/C? |
Have the battery? |
Have carry case? |
Have original box? |
Date acquired |
Cost me |
Source |
Status |
Comments |
Info |
(Kenko) |
fx-82LB |
|
10,8+2, 12 internally |
LCD |
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 |
X Mark I |
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 memory-8R |
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-115MS |
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-250HC |
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. |
scientific. DMS, fractions entry |
Casio fx-300MS |
Ceptre |
SL-110 |
|
8 |
LCD |
yes |
no |
N/A |
coin? |
no |
no |
2019-10-05 |
$0 |
found under dishwasher while replacing |
works |
4-banger, square root, memory, percent |
Ceptre SL-110 |
HP |
10C |
2244A08343 |
10,7+2 |
LCD |
yes |
hpmuseum DVD |
N/A |
3xES76 |
no |
no |
2014-09-03 |
$105 |
ebay |
desk drawer |
arrived with contents intact |
HP-10C |
HP |
11C |
2528A12562 |
10,7+2 |
LCD |
parts mule for other 11C |
hpmuseum DVD |
N/A |
3xES76 |
rigid |
no |
2014-04-12 |
$60 |
ebay |
desk drawer |
as-was |
HP-11C |
HP |
11C |
2128A00260 |
10,7+2 |
LCD |
yes, after shorting the C |
hpmuseum DVD |
N/A |
3xES76 |
no |
no |
2014-08-22 |
$42 |
ebay |
desk drawer |
seller could not reset it |
HP-11C |
HP |
12C |
3628M03202, too modern |
10,7+2 |
LCD |
yes |
yes |
N/A |
3xES76 |
yes |
no |
1999-05-08 |
$30 |
Foothill Flea Market |
desk drawer |
financial |
HP-12C |
HP |
12C Platinum |
CNA 51400760 |
10,7+2 |
LCD |
yes |
no |
N/A |
1xCR2032 |
no |
no |
2018-08-11 |
$10 |
Foothill Flea Market |
desk drawer |
financial, RPN/ALG |
HP |
12C Platinum |
CNA 188091C |
10,7+2 |
LCD |
yes |
no |
N/A |
2xCR2032 |
yes |
no |
2022-12-02 |
$25 |
ebay |
desk drawer |
financial. FW loadable? RPN/ALG + Parens, backspace&restore |
HP |
15C |
2245A05272 |
10,7+2 |
LCD |
yes |
owner's, advanced, my notes |
N/A |
3xES76 |
yes |
yes |
1984? |
$100? |
University of Minnesota bookstore |
desk drawer |
still use |
HP-15C |
HP |
15C CE |
03444 |
10,7+2 |
LCD |
yes |
owner's |
N/A |
2xCR2032 |
yes |
yes |
2024-06-09 |
$129 |
WV flea |
desk top |
will use |
HP |
16C |
2239A03195 |
10,7+2,8 per window |
LCD |
yes |
owner's |
N/A |
3xES76 |
yes |
yes |
1984? |
$100? |
University of Minnesota bookstore |
desk drawer |
still use |
HP-16C |
HP |
34C |
1947A27754 |
10,7+2 |
LED |
FIXED two segments out, no - sign. Need battery cover, rear sticker. |
hpmuseum DVD |
no |
no, but two AA and foil work |
no |
no |
2014-10-20 |
$53 |
ebay |
around |
three shift keys |
HP-34C |
HP |
38C |
2105S37008 |
10,7+2 |
LED |
Need battery cover, rear sticker. |
hpmuseum DVD |
no |
no, but two AA and foil work |
no |
no |
2021-10-19 |
$26 |
hpmuseum forum |
around |
1st programmable financial |
HP-38C |
HP |
39G |
|
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-39G |
HP |
45 |
1301A10402 |
10+2 |
LED |
now |
hpmuseum DVD |
use -80's |
3 NiCd, holder |
no |
no |
2021-09-30 |
$25 |
vintagecalc |
Bad displays replaced. |
Timer works. |
HP-45 |
HP |
45 |
13xxAxxxxx |
10+2 |
LED |
soon |
hpmuseum DVD |
use -80's |
borrow other one |
no |
no |
2021-09-30 |
$20 |
vintagecalc |
some segments out. |
Timer works. |
HP-45 |
HP |
80 |
1247A06958 |
10+2 |
LED |
fix flaky segment with pulldown resistor |
hpmuseum DVD |
replaced cap to reduce ripple |
borrow other one |
yes, with QRG |
no |
2021-10-16 |
$56 |
ebay |
fixed stuck segment; DAY leaves unnormalized integers in stack. |
45 CPU also works fine |
HP-80 |
HP |
97 |
|
10+2 |
LED |
yes, card reader needs repair, printer needs attention. |
hpmuseum DVD |
Battery must work to use A/C |
rebuilt, twice |
no |
no |
1999-04-11 |
16% of $50 lot |
Weird Stuff bid sale |
staging in garage |
programmable, printer, card reader. |
HP-97 |
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 |
NSC 4510 Mathematician |
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 |
no |
no |
2024-04-14 |
$3 |
WV flea |
|
solver, frac, logic, int/diff, scroll |
SHARP EL-506R |
SHARP |
EL-5120 |
|
10+2 |
LCD, one column pixels fail, fixed two rows |
no |
yes |
N/A |
coin |
no |
no |
2018-04-06 |
$5 |
C&H, Duarte |
|
solver, frac, logic, int/diff, scroll |
SHARP EL-5120 |
TI |
SR-22 |
|
10+2 |
Neon |
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 |
SR-22 |
TI |
SR-51A |
9041071 |
10+2 |
LED |
dunno yet |
French |
Euro |
BP-1A |
yes |
no |
2024-05-19 |
$8.33 |
West Valley flea market |
|
hyperbolics, random #, and assorted unit conversions |
SR-51A |
TI |
TI-34II |
|
11A,10+2 |
LCD |
yes |
no |
N/A |
solar |
no |
no |
2014-07-12 |
$8 |
DeAnza |
blue |
|
TI-34II |
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-57 |
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-57 |
TI |
TI-58 |
|
10, 8+2 |
LED |
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-58 |
TI |
TI-83 Plus |
|
16x8A |
LCD |
yes |
online |
N/A |
4xAAA |
hard slip cover |
no |
2006 |
found in classroom |
wife |
desk drawer |
graphing programmable scientific, serial port |
TI-83 Plus |
TRULY |
SC107A |
|
10+8 |
LCD |
yes |
no |
N/A |
2xbutton |
clamshell |
no |
2006 |
|
wife |
desk drawer |
Generic 56-function. Kenko FX-82LB, others |
TRULY SC107A |
no-name |
|
|
8 |
LCD |
yes |
no |
N/A |
solar, button cell |
mousepad |
yes, FWIW |
2006 |
gift, NDA |
Taos |
on desk, under mouse, easily overlooked |
%, basic memory 4-banger |
Manufacturer |
Model |
S/N |
Digits |
Display |
Functional? |
Have manuals? |
Have A/C? |
Have the battery? |
Have carry case? |
Have original box? |
Date acquired |
Cost me |
Source |
Status |
Comments |
Info |