Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.

Studies have shown that there is a high incidence of errors in spreadsheets.

94% of the 88 spreadsheets audited in 7 studies have contained errors.

People tend to believe their spreadsheets are more accurate than they really are.

Never assume a spreadsheet is right, even your own.

The untested spreadsheet is as dangerous and untrustworthy as an untested program.

Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.

A lot of decisions are being made on the basis of some bad numbers.

1% of all formulas in operational spreadsheets are in error.

Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.

Spreadsheets have a notoriously high number of faults.

The software that end users are creating... is riddled with errors.

It is irrational to expect large error-free spreadsheets.

Spreadsheet errors have resulted in huge financial losses.

Every study that has looked for errors has found them... in considerable abundance.

Spreadsheets are alarmingly error-prone to write.

Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.

Spreadsheets are notoriously error-prone.

Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.

Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.

Spreadsheet errors are still the rule rather than the exception.

Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.

Spreadsheets are dangerous to their authors and others.

Untested spreadsheets are riddled with errors.

The issue is not whether there is an error but how many errors there are and how serious they are.

The results given by spreadsheets are often just wrong.

Errors in spreadsheets are as ubiquitous as spreadsheets themselves.

Your spreadsheets may be disasters in the making.

Spreadsheets are often hard, if not impossible, to understand.

Spreadsheets are more fault-prone than other software.

Overconfidence is one of the most substantial causes of spreadsheet errors.

60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.

Spreadsheets... pose a greater threat to your business than almost anything you can imagine.

Spreadsheets are commonly used and commonly flawed.

Most large spreadsheets have dozens or even hundreds of errors.

...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.

Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.

Spreadsheets are easy to use and very hard to check.

A significant proportion of spreadsheets have severe quality problems.

Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.

Spreadsheets can be viewed as a highly flexible programming environment for end users.

Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.

Spreadsheet shortcomings can significantly hamper an organization's business operation.

Research on spreadsheet errors is substantial, compelling, and unanimous.

Spreadsheets are extraordinarily and unacceptably prone to error.

Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...

Spreadsheets contain errors at an alarmingly high rate.

The quality and reliability of spreadsheets is known to be poor.

It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.

Every study, without exception, has found error rates much higher than organizations would wish to tolerate.