本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 算術
<a name="jle-arithmetics"></a>

下表顯示了可與 JSON 表達式語言搭配使用的算術表達式。


| 作業 | 表達式 | 輸入 | Output | 
| --- | --- | --- | --- | 
| 加法 | ["\$1", operand1, operand2] | \$1 sum: ["\$1", 2, 4] \$1 | \$1 sum: 6 \$1 | 
| 減法 | ["-", operand1, operand2] | \$1 difference: ["-", 10, 3] \$1 | \$1 difference: 7 \$1 | 
| 乘法 | ["\$1", operand1, operand2] | \$1 product: ["\$1", 5, 6] \$1 | \$1 product: 30 \$1 | 
| 除法 | ["/", operand1, operand2] | \$1 quotient: ["/", 20, 4] \$1 | \$1 quotient: 5 \$1 | 
| 模數 | ["%", operand1, operand2] | \$1 remainder: ["%", 15, 4] \$1 | \$1 remainder: 3 \$1 | 
| 指數 | ["\$1\$1", base, exponent] | \$1 power: ["\$1\$1", 2, 3] \$1 | \$1 power: 8 \$1 | 
| 絕對值 | ["abs", operand] | \$1 absolute: ["abs", -5] \$1 | \$1 absolute: 5 \$1 | 
| Square Root (平方根) | ["sqrt", operand] | \$1 sqroot: ["sqrt", 16] \$1 | \$1 sqroot: 4 \$1 | 
| 對數 (以 10 為底) | ["log10", operand] | \$1 log: ["log10", 100] \$1 | \$1 log: 2 \$1 | 
| 自然對數 | ["ln", operand] | \$1 ln: ["ln", Math.E] \$1 | \$1 ln: 1 \$1 | 
| 四捨五入 | ["round", operand] | \$1 rounded: ["round", 3.7] \$1 | \$1 rounded: 4 \$1 | 
| 向下取整 | ["floor", operand] | \$1 floor: ["floor", 3.7] \$1 | \$1 floor: 3 \$1 | 
| 向上取整 | ["ceil", operand] | \$1 ceiling: ["ceil", 3.2] \$1 | \$1 ceiling: 4 \$1 | 
| 正弦波 | ["sin", operand] | \$1 sine: ["sin", 0] \$1 | \$1 sine: 0 \$1 | 
| 餘弦 | ["cos", operand] | \$1 cosine: ["cos", 0] \$1 | \$1 cosine: 1 \$1 | 
| 切線 | ["tan", operand] | \$1 tangent: ["tan", Math.PI] \$1 | \$1 tangent: 0 \$1 |