Top "Divide-by-zero" questions

Division by zero is the division by any value that is exactly equal to 0 -- a computation with an undefined result.

How should I throw a divide by zero exception in Java without actually dividing by zero?

I have an I2C device that wants two inputs: a denominator and a numerator. Both are written to separate …

java exception math divide-by-zero
How do I catch a numpy warning like it's an exception (not just for testing)?

I have to make a Lagrange polynomial in Python for a project I'm doing. I'm doing a barycentric style one …

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PHP Warning: Division by zero

I'm learning php and built an experimental form-based calculator (also using html & POST method) that returns values to a …

php divide-by-zero
How do I avoid the "#DIV/0!" error in Google docs spreadsheet?

I have a column with average(K23:M23) that starts out with #DIV/0! when the K23 through M23 cells are …

google-sheets divide-by-zero
How to return 0 with divide by zero

I'm trying to perform an element wise divide in python, but if a zero is encountered, I need the quotient …

python arrays numpy error-handling divide-by-zero
SQL Server Check for IsNull and for Zero

I have the following: set @SomeVariable = @AnotherVariable/isnull(@VariableEqualToZero,1) - 1 If @VariableEqualToZero is null it substitutes the 1. I need it …

sql sql-server isnull divide-by-zero
Avoid division by zero in PostgreSQL

I'd like to perform division in a SELECT clause. When I join some tables and use aggregate function I often …

sql postgresql null aggregate-functions divide-by-zero
PHP, How to catch a division by zero?

I have a large mathematical expression that has to be created dynamically. For example, once I have parsed "something" the …

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Can't Mod Zero?

Why is X % 0 an invalid expression? I always thought X % 0 should equal X. Since you can't divide by zero, shouldn't …

c++ modulo divide-by-zero
How to avoid DIVIDE BY ZERO error in an SQL query

SELECT YEAR, period, round((1- sum(rej_qty) / sum(recd_qty))*100, 0) FROM TAB_A WHERE sid = '200' AND sdid …

sql oracle9i divide-by-zero