Home / Calculus / Limits & Continuity / Calculating Limits B. Calculating Limits Techniques for computing limits using algebra, limit laws, and special trig limits. Topics in this Section B.1 Limit Laws B.2 Substitution to Find a Limit B.3 Factor to Find a Limit B.4 Use Conjugates to Find a Limit B.5 Use Algebra to Find a Limit B.6 The Squeeze Theorem B.7 Special Trig Limits