Casio Ms-8s — Manual

Have a question not covered here? Check the battery first, then try the master reset. The MS-8S rarely fails unless physically damaged.

If the battery is replaced, the tax rate usually resets to zero and must be reprogrammed. Press to clear the current calculation.

| Operation | Key sequence | Display result | |-----------|--------------|----------------| | 15 + 8 | 1 5 + 8 = | 23 | | 36 – 12 | 3 6 - 1 2 = | 24 | | 7 × 6 | 7 × 6 = | 42 | | 144 ÷ 12 | 1 4 4 ÷ 1 2 = | 12 | | Square root of 64 | 6 4 √ | 8 | | 8² (or 8 × 8) | 8 × 8 = | 64 | casio ms-8s manual

: Memory Recall / Memory Clear – Recalls or clears the stored memory value

| To do this... | Press these keys | |---------------|------------------| | Turn on | AC | | Clear last number | C | | Clear all | AC | | Set tax rate | Hold TAX+ → number → TAX+ | | Add tax | number TAX+ | | Remove tax | number TAX- | | Store in memory | M+ | | Recall memory | MR | | Clear memory | MC | | Grand Total on/off | GT | | Percentage | number % | | Square root | number √ | | Change sign (+/-) | ± | Have a question not covered here

| Key | Function | |-----|----------| | M+ | Adds displayed number to memory | | M- | Subtracts displayed number from memory | | MR | Recalls current memory value | | MC | Clears memory completely (sets to 0) |

Do not press keys while replacing the battery — this can cause memory corruption. If the battery is replaced, the tax rate

Always press = after a percentage calculation for compound operations.

Let’s dive in.

Features an angled, extra-large LCD for easy reading.