FX Plus Series Models

All FX Plus Series Models

These are confirmed to be working on all FX Plus Models (Excluding the FX-55 Plus)

Stat Sub mode 0

Stat Sub mode 0 is an invalid STAT mode that causes all available STAT functions & menus to be available in an unintended way, meaning that certain functions behave incorrectly or point to incorrect memory locations. The mode is a result of resetting the calculator with ON while it is writing the STAT mode into memory, causing the STAT mode to be set as mode 0.

1. Enter COMP Mode.
2. Enter the STAT mode selection menu.
3. Press AC and approximately 0.5 seconds later, press ON. The exact timing varies. Just before the Disp text in the top right corner disappears is an ideal point of when to do it.
4. You can check if STAT sub mode 0 is active by pressing SHIFT 1 and seeing if 5:Reg is displayed in the menu. The characters contained within the Regressions menu are not intended to be used in this mode and point to unintended memory addresses.
5. If the reset is performed too early the Calculator will still be in COMP Mode. If the Calculator is in STAT mode but the Regressions menu is not shown, the reset was performed too late. In this case, go back to COMP mode and try again.

See STAT Sub mode 0 Glitches

Mode 68

Mode 68 is an invalid COMP mode where calculator history is not cleared from the replay memory after pressing ON or clearing the Setup.

FX-83GT Plus

The 83GT Plus model can be changed into Mode 68 via a formula in STAT Sub mode 0.

1. Enter STAT Sub mode 0.
2. Enter 183²[xhat], then press =. [xhat] also known as x hat is the x character with a ^ symbol above it in the Regression menu.
3. The calculator will be frozen, press ON. You are now in Mode 68 and can confirm by executing a formula and then pressing ON of which the history should be retained.

FX-82ES Plus

The 82ES Plus model can be changed into Mode 68 via a formula in STAT Sub mode 0.

1. Enter STAT Sub mode 0
2. Enter (15(15(15(15r, then press =. The r character can be obtained from the Regression menu.
3. Press ON. You are now in Mode 68 and can confirm by executing a formula and then pressing ON of which the history should be retained.

Basic Overflow

Basic overflow is where the cursor is placed beyond the amount of bytes the current formula on the screen is using. It allows for bypassing the usual maximum limit of 100 bytes in the editable area.

FX-83GT Plus & FX-82 ES Plus

The 83GT Plus & 82ES Plus can do basic overflow in Mode 68.

1. Enter Mode 68.
2. Type 2^(2 and press =.
3. Clear the setup with SHIFT 9 1 and then = and AC.
4. Press Up Right Right DEL Left DEL DEL Right Right. This should leave you with an empty box which hack strings can be entered in. Please bear in mind that this version of Basic Overflow does not showing the characters as you are typing them, however they are still being entered into memory.

See Hackstrings (ROP)