Calculator Code Mode: Expressions, Shortcuts and the 0000 Game Break

6 min read · Updated September 26, 2026 · by the SolveCalcPro editorial team

Code Mode turns the calculator’s display into a text box so you can type a whole calculation on your keyboard instead of pressing keys one at a time. It is the fastest way to enter long expressions. It also hides one extra: a short game break for when your brain needs a rest. This guide explains both.

How to turn on Code Mode

On the calculator, press the Code Mode button above the display. It lights up, the display gets a dashed outline and a hint appears. Click the display and start typing. Press Enter (or =) to solve. Press the button again to go back to normal keypad mode.

What you can type

You type	What it does	Example
`+ - * / ^`	Add, subtract, multiply, divide, power	`2^10` = 1,024
`( )`	Brackets	`(3+2)*4` = 20
`%` and `!`	Percent and factorial	`200*15%` = 30, `5!` = 120
`sin cos tan asin acos atan`	Trigonometry (degrees or radians)	`sin(30)` = 0.5
`log ln log2`	Logarithms	`log(1000)` = 3
`sqrt cbrt abs`	Roots and absolute value	`sqrt(144)` = 12
`pi e ans`	Constants and your last answer	`2pi`, `ans*2`

Implicit multiplication works, so 2(3+4) is 14 and 3pi is 3π. Functions accept brackets or a bare number, so sin 30 also works. Check the DEG/RAD button first if a trig answer looks strange; see degrees vs radians.

Shortcuts

Enter solves the expression.
Esc clears the display.
The answer previews live under the expression as you type.
Click any line in the history panel to bring an old result back.

The 0000 game break

Turn Code Mode on, type 0000 and press Enter. A full-screen games menu opens on top of the calculator. Outside Code Mode, 0000 is just zero.

Pick a game, or search and filter by category.
Use Favourite to save games, and Fullscreen or Reload in the game bar.
Press Esc once to return to the list and again (or press Exit) to close and get your calculator back.

Under each game there is a short article from our blog to read during a break. The games come from a partner catalogue of free browser games, run inside a frame and may show their own ads. They are for a break, so keep your studying first.

Good to know

The game break needs an internet connection.
The page address does not change while you play, so the browser’s Back button leaves the page instead of closing the menu. Use Esc or Exit.
Ad blockers can stop some games from loading.
If nothing happens, check that the Code Mode button is lit, then type the four zeros and press Enter.

Troubleshooting

Problem	Fix
“Syntax error”	Check brackets and operators, and use `*` for multiplication in long expressions.
Wrong trig answer	Switch between DEG and RAD.
0000 shows 0	Turn on Code Mode first.
Answer looks rounded	Results show up to 12 significant digits.

Practice questions

Test yourself, then tap to check. Answers are calculated by the tools linked below.

What is 35% of 240?
Show answer
35% of 240: 84
Solve 4x − 3 = x + 12.
Show answer
x: 5
Find the roots of f(x) = x² − 6x + 8.
Show answer
Function: f(x) = x^2 - 6x + 8