This page contains an up-to-date list of 258 calculators that I know about that are missing from the museum. If you come across any of these models, or indeed any models that are NOT listed on this Web site whatsoever, please don't throw it away!

Manufacturer Model
AtabaDS-738BQ
AtabaDS-738DQ
AtabaDS-742AQ
AtabaDS-745
AtivaAT-36
AuroraSC190
BASE10SR1000
CalculPSR 98
CanonF-803P
CanonFG-1000
CasioAI-1000
CasioAlgebra FX 2.0 Plus
CasioAX-1
CasioAX-2
CasioAX-3
CasioAX-4
CasioCFX-9800G-w
CasioCFX-9850G Plus
CasioCFX-9900GC
CasioCFX-9930GT
CasioCFX-9940GT
CasioCFX-9950G
CasioCFX-9950G Plus
CasioCFX-9950Gb Plus
CasioCFX-9960GT
CasioCFX-9990GT
CasioFP-200
CasioFX 1.0
CasioFX 1.0 Plus
CasioFX 6910aG Graph20
Casiofx-1000F
Casiofx-10F
Casiofx-115P
Casiofx-2700P
Casiofx-2800P
Casiofx-3600PA
Casiofx-3650P
Casiofx-3950P
Casiofx-4100P
Casiofx-4500PA
Casiofx-4600DC
Casiofx-4800P
Casiofx-4850P
Casiofx-506P
Casiofx-508P
Casiofx-5500LA
Casiofx-5800P
Casiofx-603P
Casiofx-61F
Casiofx-6910aG
CasioFX-720P
Casiofx-7400GL
CasioFX-740P
Casiofx-7450G
CasioFX-750PF
Casiofx-7700GA
Casiofx-7700GC
CasioFX-785P
Casiofx-7900GC
CasioFX-791P
CasioFX-840P
CasioFX-841P
CasioFX-860P
Casiofx-8700GBus
CasioFX-870P
CasioFX-870Pvc
CasioFX-890P
Casiofx-8930GT
Casiofx-9000G
Casiofx-9700G
Casiofx-9750G
Casiofx-9750G+
Casiofx-9850G
Casiofx-9850G+
Casiofx-9850GB+
Casiofx-9950G
Casiofx-9950GB+
Casiofx-9970G
Casiofx-CG10
Casiofx-P401
CasioGraph 100
CasioGraph 100+
CasioGraph 20
CasioGraph 25
CasioGraph 30
CasioGraph 35
CasioGraph 35+
CasioGraph 60
CasioGraph 65
CasioGraph 65+
CasioGraph 80
CasioGraph 85SD
CasioOH-7700GE
CasioPB-100F
CasioPB-240
CasioPB-410F
CasioPB-770
CasioPB-770B
CasioPD-7000
CasioPD-900
CasioPRO-101
CasioRM-7400G
CasioRM-9800G
CasioRM-9850Ga Plus
CasioRM-Algebra FX 2.0
CasioVX-1
CasioVX-2
CasioVX-3
CasioVX-4
CasioZ-1GR
CitizenPSR-98
CitizenSRP-145T
CitizenSRP-260
CitizenSRP-285
CitizenSRP-320GII
CitizenSRP-350
CitizenSRP-45N
CitizenSRP-75
DatexxDS-850
DismacHF-300PRG
DismacHF-60PR
DixonsProgrammable Scientific
ElektronikaB3-54
ElektronikaMK-161
ElektronikaMK-47
ElektronikaMK-95
ElektronikaMK-98
Hewlett-PackardHP-17BII+
Hewlett-PackardHP-19BII+
Hewlett-PackardHP-30B
Hewlett-PackardHP-39G+
Hewlett-PackardHP-39GII
Hewlett-PackardHP-40G
Hewlett-PackardHP-40GS
Hewlett-PackardHP-49G+
Hewlett-PackardHP-95C
Hewlett-PackardHP-9G
Hewlett-PackardPrime
HíradástechnikaPTK-1030
KarceKC-S4600P
KarceKC-S6600G
KenkoKK-2302
LexibookGC500
Litronix2290R
MerangueSC-818BL
Mint IndustriesM-1234
Mint IndustriesM-1236
National SemiconductorNS-128
National SemiconductorNS-7100
OlivettiSC-1082
PrinztronicProgrammable 40
PrivilegPR-55NC
PsionSeries 3a
QuasarHK2600TE
Radio ShackEC-4040
RoyalPR-450
SainSmartMetaPhix M2
SantronSantronic 600PM
SeikoMC-2200
SharpEL-5002
SharpEL-5010
SharpEL-5030
SharpEL-504
SharpEL-5040
SharpEL-506V
SharpEL-511
SharpEL-5120N
SharpEL-512N
SharpEL-512S
SharpEL-512S (Korea)
SharpEL-513
SharpEL-5130H
SharpEL-516
SharpEL-517
SharpEL-518
SharpEL-519
SharpEL-521
SharpEL-5230
SharpEL-5250
SharpEL-528
SharpEL-560
SharpEL-565
SharpEL-566
SharpEL-566E
SharpEL-7001
SharpEL-735
SharpEL-9300
SharpEL-9400
SharpEL-9400C
SharpEL-9450
SharpEL-9650
SharpEL-9900
SharpEL-K710
SharpOZ-7400
SharpPC-1100
SharpPC-1140
SharpPC-1150
SharpPC-1200
SharpPC-1210
SharpPC-1212
SharpPC-1246DB
SharpPC-1247
SharpPC-1248DB
SharpPC-1250
SharpPC-1255
SharpPC-1262
SharpPC-1280
SharpPC-1285
SharpPC-1300
SharpPC-1360K
SharpPC-1404G
SharpPC-1405G
SharpPC-1415G
SharpPC-1416G
SharpPC-1417G
SharpPC-1425
SharpPC-1430
SharpPC-1431
SharpPC-1440
SharpPC-1460
SharpPC-1470U
SharpPC-1475
SharpPC-1480U
SharpPC-1490U
SharpPC-1490UII
SharpPC-1501
SharpPC-1600
SharpPC-1600K
SharpPC-1605
SharpPC-2500
SharpPC-3000
SharpPC-E200
SharpPC-E500S
SharpPC-E550
SharpPC-E650
SharpPC-G801
SharpPC-G802
SharpPC-G803
SharpPC-G805
SharpPC-G811
SharpPC-G813
SharpPC-G815
SharpPC-G820
SharpPC-G830
SharpPC-G850S
SharpPC-G850V
SharpPC-U6000
SigmaAK-251
SMART65-817
SPECTRASSC-200
Texas InstrumentsTI-64
Texas InstrumentsTI-84 Plus
Texas InstrumentsTI-89 Titanium
Texas InstrumentsTI-92 II
Top LeagueNS-750
TrulyTG202
TrulyTG602
WalgreensATC-139