From Target Value: Input the target value and the % tolerance. Example, for a 1 K ohm resistor at 1% tolerance , the limits will be Lower Limit = 990 ohms, Upper Limit = 1010 ohms.

Limits Calculator Summary 
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Android Apps 
Limits Calculator 
From Data Value: Input the desired Sigma Level (17).
Example, sigma level of 4 (Cpk  1.33, Projected yield of 99.38%), data mean of 2000, and standard deviation of 100 will give a Lower Limit of 1601 and Upper Limit of 2399. 
A useful statistical analysis tool. · Calculates the lower & upper limits based on the target value and its % tolerance. · Calculates the lower & upper limits based on statistical data. · This program is useful in determining limits for a process based on your desired yield using the measurement data from the process. Great for validating limits. Allows you to run through different scenarios on what fallout to expect based on the limits and the actual results. 