1. Adjunctions in an algebraic, calculational st yle

2. 19 The calculational method for plant cell compressive force was (obtained) that was convenient for theoretical analysis and numerical calculation.

3. The calculational efficiency of solidification simulations in sand castings was improved using the "transient mold area" concept which is a function of solidification properties.

4. Our in tended readership is familiar with the notion of category, functor, and naturalit y, and either ab out to learn Adjunctions or in terested a calculational approac h to category theory