Casio Natural Display series
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| fx-*ES | fx-*ES PLUS | fx-*EX |
|---|---|---|
 |
 |
|
| NATURAL DISPLAY | NATURAL-V.P.A.M. | CLASSWIZ |
| GY380/GY381 | GY450 | CY230 |
ES PLUS Firmware Versions
GY
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| Firmware | Version | SUM | Model |
|---|---|---|---|
| GY-450 | VerB | fx-82ES PLUS, fx-85ES PLUS, fx-350ES PLUS | |
| GY-455 | VerA | CD04 | fx-991ES PLUS |
| GY-458 | VerB | fx-95SG PLUS | |
| GY-459 | VerB | fx-82AU PLUS | |
| GY-460 | VerC | fx-500VN PLUS | |
| GY-461 | VerB | fx-92B College 2D+ | |
| GY-462 | VerC | fx-86DE PLUS | |
| GY-468 | VerA | fx-92 College 2D+ |
| Firmware | Version | SUM | Model |
|---|---|---|---|
| GY450X | VerE | fx-82ES PLUS, fx-85ES PLUS, fx-350ES PLUS | |
| GY455X | VerE | 8928 | fx-570ES PLUS, fx-991ES PLUS |
| GY461X | VerE | fx-92B College 2D+ | |
| GY465X | VerG | fx-83GT PLUS, fx-85GT PLUS | |
| GY468X | VerB | fx-92 College 2D+ |
LY
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| Firmware | Version | Model |
|---|---|---|
| LY-707 | VerA | fx-55 PLUS |
| Firmware | Version | Model |
|---|---|---|
| LY708X | VerA | fx-96SG PLUS |
| LY709X | VerA | fx-991ID PLUS |
| LY710X | VerA | fx-570VN PLUS |
| LY711X | VerA | fx-82AU PLUS II |
| LY712X | VerA | fx-100AU PLUS |
| LY719X | VerA | fx-520AZ |
| LY720X | ? | ? |
| LY721X | VerA | fx-82DE PLUS, fx-85DE PLUS |
| LY722X | ? | ? |
| LY723X | VerA | fx-86DE PLUS |
| LY724X | VerA | fx-991DE PLUS |
| LY725X | VerA | fx-82ZA PLUS |
| LY726X | VerA | fx-300ES PLUS |
| LY727X | VerA | fx-115ES PLUS, fx-991ES PLUS C |
EX / Claswiz Series models
To check firmware:
- hold down the [SHIFT] key and the [7] key
- then press and release the [ON] key
- You should see: DIAGNOSTIC / Press AC
- Within 15 seconds press [6] to see diagnostic Menu
- Press [2] to start the Version&Sum test
| Firmware | Version | Model |
|---|---|---|
| CY-213 | VerA | fx-83GT X |
| CY-214 | VerA | fx-85GT X (?) |
| . . . | ? | |
| CY-230 | VerA | fx-82EX, fx-85EX, fx-350EX |
| CY-234 | VerB,F | fx-570EX |
| CY-235 | Ver? | fx-991EX |
| CY-236 | VerB | fx-82CN X |
| CY-237 | VerB | fx-350CN X |
| CY-238 | Ver? | fx-95CN X |
| CY-239 | VerC | fx-991CN X |
| CY-240 | VerA | fx-530AZ |
| CY-241 | Ver? | fx-JP500 |
| CY-242 | Ver? | fx-JP700 |
| CY-243 | Ver? | fx-JP900 |
| CY-244 | Ver? | N/A |
| CY-245 | Ver? | N/A |
| CY-246 | VerA | fx-92 Spéciale Collège |
| CY-247 | VerA | fx-92B Spéciale Collège |
| CY-248 | Ver? | N/A |
| CY-249 | Ver? | N/A |
| CY-250 | VerA,F | fx-87DE X |
| CY-251 | VerA,F | fx-991DE X |
| CY-252 | VerA | x-82SP X |
| CY-253 | VerA | fx-350SP X |
| CY-254 | VerA | fx-570SP X Iberia |
| CY-255 | VerA | fx-991SP X Iberia |
| CY-256 | VerA | fx-82AR X |
| CY-257 | VerA | fx-95AR X |
| CY-258 | VerA | fx-570AR X |
| CY-259 | VerA | fx-991AR X (?) |
| . . . | ? | |
| CY-266 | VerA | fx-82SP X II, fx-85SP X II, fx-350SP X II |
| CY-269 | VerF | fx-570SP X II, fx-991SP X II |
| CY-270 | VerA | fx-82LA X |
| CY-271 | VerA | fx-350LA X (?) |
| CY-273 | VerF | fx-570LA X |
| CY-274 | VerF | fx-991LA X (?) |
| CY-291 | VerA | fx-82CE X, fx-85CE X, fx-350CE X |
| CY-294 | VerF | fx-991CE X |
| CY-295 | VerA | fx-92+ Spéciale Collège |
| CY-297 | VerE | fx-97SG X |
| CY-298 | VerA | fx-580VN X |
