Minor changes to improve the interactive usage of the calculators
Minor changes to improve the interactive usage of the calculators


Former-commit-id: aea53f9f0058f7aab9ad571f6dbab4699fd27ecc [formerly 48f6f88468abd2093d70f3d71576a0e8274159f4]
Former-commit-id: b18ddcfb86c4d1fc73b7d2318be1616dba109525
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine