文档介绍：使用说明：（更多使用指南在博客中）
输入
示例
运算结果
算术+-*/
2 + 2-3 (3 * 5) / 2
1
平方根和乘方
sqrt(9)
5A2
3
25
百分数
5%
100* 17%
20 + 50%
17
30
简短数值(k, m, b,t)
200 million (or 200m)
billion (or )
3,300
200,000,000
6,600,000,000
科学计数法
1e-3
1,234
变量与行
使用变量
x = 9
y = x + 3 sqrt(x)
x + y
9
12
3
21
使用行
r1
r2
r3
sum(r1:r3)
average(r1: r3)
9
12
3
24
8
单位转换
转换单位为其他单位（绿色意味着成功）:
15 feet into inches = 180 inches
也可转换速度单位：
15 miles/hour into feet/second = 22 feet/second
15 pounds/year in pounds/month = pounds/month
/, per, until, every
重量：
ounce (oz), pound (lb), ton
gram (g), kilogram (kg), milligram (mg), microgram (ug)
150 lbs in kg = ...kg
长度：
mile, yard (yd), foot (ft), inch (in), knot, span, league kilometer (km), meter (m), cm, mm, nm, pm
15 feet in inches = 180 inches
面积(add "square" or "A2" to any unit) acre, square mile, ydA2, inA2...
kmA2, square meter, cmA2...
2 acres in mA2 = ... mA2
体积(add "cubic” or ”人3” to any unit)
gallon (gal), quart (qt), pint (pt), cup (cp), fluid ounce (fl oz), tablespoon (tbsp), teaspoon (tsp), cubic inch, ftA3...
Liter (L), milliliter (mL), cmA3 (cc), cubic km...
1500 cc in cubic inches = ... cubic inches
时间
second (sec), minute (min), hour (hr), day, month, year, decade, century
millisecond (ms), microsecond (us), nanosecond (ns), picosecond (