# This file is part of NIT ( http://www.nitlanguage.org ). # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # Extends the portable calculator app with scientific operations module scientific is app_name "app.nit Calc Sci" app_namespace "org.nitlanguage.scientific_calculator" app_files end import calculator redef class CalculatorWindow init do # All the button labels, row by row var rows = [["√", "x²", "xⁿ", "e" ], ["log","ln", "%", "x!" ], ["π", "sin","cos","tan"]] for row in rows do var row_layout = new HorizontalLayout(parent=layout) for op in row do var but = new Button(parent=row_layout, text=op) buttons[op] = but end end super end end