qalculate = require("libqalculator")
local result,messages = qalculate.qalc("sin(3 rad)")
print(result,table.concat(messages))
local result,messages = qalculate.qalc("fibonacci()")
print(result,table.concat(messages))
local result,messages = qalculate.qalc("sin(3 rad)",true)
print(result,table.concat(messages))