how to round to 2 decimal places

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Php_ save two decimal places and round _ Keep two decimal places and do not round

Php_ keep two decimal places and round _ Keep two decimal places and do not round php reserved Two decimal places and rounded $num = 123213.666666;echo sprintf ("%.2f", $num); PHP retains two decimal places and does not round $num = 123213.666

Number Theory proof (the number of decimal places in the cycle of the reciprocal of any prime number must be smaller than the prime number itself)

The number of decimal places in a repeating prime number must be smaller than that in the prime number itself. Generally, decimal places with the reciprocal of prime numbers are complex. Because the reciprocal of prime numbers is also a

Round the number to two decimal places

Comment: Rounding the number to retain two decimal places Aket 6799 0:46:18It is not necessary to rounding the number into and keep two decimal places. Use the following code.To directly use the roundto function, you must add math to uses.Roundto (1.

Javascript: multiple methods to retain two decimal places _ javascript skills

This article mainly introduces multiple methods to retain two decimal places in javascript. If the original decimal places of a number are less than two decimal places, the missing digits are automatically set to zero. If you are interested, please

Java rounded to reserved decimal places, java rounded to decimal places

Java rounded to reserved decimal places, java rounded to decimal places // Method 1: Double f = 3.1516; BigDecimal B = new BigDecimal (f ); Double f1 = B. setScale (2, BigDecimal. ROUND_HALF_UP). doubleValue ();   // Method 2: New java. text.

PHP rounding to exact decimal places and rounding

The integer function is often used. let's make a summary today! Actually, it's quite simple, just a few functions ~~ Major methods: ceil, floor, round, intval integer methods such as rounding, rounding, and ignoring decimals There are four common

Several functions in Oracle dealing with the number of decimal places, taking decimal places, Oracle query functions

About several Oracle functions that handle the number of decimal places ()1. Rounding of several decimalsSelect Round (1.2345, 3) from dual;Results: 1.2352. Reserved two decimal places, onlySelect Trunc (1.2345, 2) from dual;Results: 1.23Select

C # holds 2 decimal places summary of several scenarios

Scenario 1:C # retains 2 decimal places. ToString ("F2") is OK, but if the number is three digits behind the decimal point such as 1.253, then the conversion will become 1.25. Can you just keep it to the last place, not 0?By default, 2 bits are

The number of decimal places can be set.

public static double round(double value, int scale,int roundingmode) { BigDecimal bd = new BigDecimal(value); bd = bd.setScale(scale,roundingmode); double d = bd.doubleValue(); bd = null; return d; } Scale indicates the number of decimal places, and

JS retains two decimal places

JS retains two decimal places JS retains two decimal places   For floating point numbers with multiple digits after decimal points, we may only need to retain two digits, but JS does not provide such a direct function. Therefore, we have to write

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